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Merge pull request #590 from nsx0r/patch-24

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added NES mappers 240 and 246 and 255
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sanni 2022-10-27 18:12:36 +02:00 committed by GitHub
commit d65a887690
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1 changed files with 52 additions and 0 deletions
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Cart_Reader/NES.ino
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@ -116,7 +116,10 @@ static const byte PROGMEM mapsize[] = {
229, 5, 5, 6, 6, 0, 0, // BMC 31-IN-1 [UNLICENSED] 229, 5, 5, 6, 6, 0, 0, // BMC 31-IN-1 [UNLICENSED]
232, 4, 4, 0, 0, 0, 0, // Camerica/Codemasters "Quattro" cartridges [UNLICENSED] 232, 4, 4, 0, 0, 0, 0, // Camerica/Codemasters "Quattro" cartridges [UNLICENSED]
235, 6, 8, 0, 0, 0, 0, // "Golden Game" multicarts [UNLICENSED] 235, 6, 8, 0, 0, 0, 0, // "Golden Game" multicarts [UNLICENSED]
240, 1, 5, 1, 5, 0, 3, // C&E Bootleg Board (Sheng Huo Lie Zhuan, Jing Ke Xin Zhuan) [UNLICENSED]
242, 5, 5, 0, 0, 0, 0, // ET-113 [UNLICENSED] 242, 5, 5, 0, 0, 0, 0, // ET-113 [UNLICENSED]
246, 5, 5, 7, 7, 0, 0, // C&E Feng Shen Bang [UNLICENSED]
255, 7, 7, 8, 8, 0, 0, // 110-in-1 multicart (same as 225) [UNLICENSED]
}; };
/****************************************** /******************************************
@ -3546,6 +3549,7 @@ void readPRG(boolean readrom) {
break; break;
case 225: case 225:
case 255:
banks = int_pow(2, prgsize) / 2; banks = int_pow(2, prgsize) / 2;
for (int i = 0; i < banks; i++) { for (int i = 0; i < banks; i++) {
write_prg_byte(0x8000 + (i << 6), i << 6); write_prg_byte(0x8000 + (i << 6), i << 6);
@ -3612,6 +3616,16 @@ void readPRG(boolean readrom) {
} }
break; break;
case 240:
banks = int_pow(2, prgsize) / 2;
for (int i = 0; i < banks; i++) {
write_prg_byte(0x5FFF, (i & 0xF) << 4);
for (word address = 0x0; address < 0x8000; address += 512) {
dumpPRG(base, address);
}
}
break;
case 242: // total size is 640k THIS IS NORMAL case 242: // total size is 640k THIS IS NORMAL
for (int i = 0; i < 32; i++) { // dump 1st chip of 512k for (int i = 0; i < 32; i++) { // dump 1st chip of 512k
write_prg_byte(0x8400 + (i * 4), 0); write_prg_byte(0x8400 + (i * 4), 0);
@ -3626,6 +3640,19 @@ void readPRG(boolean readrom) {
} }
} }
break; break;
case 246:
banks = int_pow(2, prgsize) / 2;
for (int i = 0; i < banks; i += 4) {
write_prg_byte(0x6000, (i | 0));
write_prg_byte(0x6001, (i | 1));
write_prg_byte(0x6002, (i | 2));
write_prg_byte(0x6003, (i | 3));
for (word address = 0x0; address < 0x8000; address += 512) {
dumpPRG(base, address);
}
}
break;
} }
if (!readrom) { if (!readrom) {
myFile.flush(); myFile.flush();
@ -4310,6 +4337,7 @@ void readCHR(boolean readrom) {
break; break;
case 225: case 225:
case 255:
banks = int_pow(2, chrsize) / 2; banks = int_pow(2, chrsize) / 2;
for (int i = 0; i < banks; i++) { for (int i = 0; i < banks; i++) {
write_prg_byte(0x8000 + i, i); write_prg_byte(0x8000 + i, i);
@ -4327,6 +4355,30 @@ void readCHR(boolean readrom) {
} }
} }
break; break;
case 240:
banks = int_pow(2, chrsize) / 2;
for (int i = 0; i < banks; i++) {
write_prg_byte(0x5FFF, (i & 0xF));
for (word address = 0x0; address < 0x2000; address += 512) {
dumpCHR(address);
}
}
break;
case 246:
banks = int_pow(2, chrsize) / 2;
for (int i = 0; i < banks; i += 4) {
write_prg_byte(0x6004, (i | 0));
write_prg_byte(0x6005, (i | 1));
write_prg_byte(0x6006, (i | 2));
write_prg_byte(0x6007, (i | 3));
for (word address = 0x0; address < 0x2000; address += 512) {
dumpCHR(address);
}
}
break;
} }
if (!readrom) { if (!readrom) {
myFile.flush(); myFile.flush();